For y = f(x) = 6x - 5, x =3, and Ax = 3 find a) Ay for the given x and Ax values, b) dy = f '(x)dx, c) dy for the given x and Ax values. a) Ay = (Round to four decimal places as needed.) b) dy = f'(x)dx = dx c) dy = (Round to two decimal places as needed.)